#lists

Lists

Lists are Python’s most commonly used data structure. They’re ordered, mutable collections that can hold any mix of types. Whether you’re processing API responses, managing user data, or implementing algorithms, you’ll use lists constantly. Creating Lists # Empty list items = [] # List with values numbers = [1, 2, 3, 4, 5] names = ["Alice", "Bob", "Charlie"] mixed = [42, "hello", True, 3.14, None] # From other iterables letters = list("hello") # ['h', 'e', 'l', 'l', 'o'] nums = list(range(1, 6)) # [1, 2, 3, 4, 5] Accessing Elements Lists are zero-indexed. Read more →

May 18, 2026